Boxes Fast BFHD18645FOL Guitar Cardboard Boxes 18 x 6 x 45 in - Side

In this review of the Boxes Fast guitar shipping boxes, the bottom line is simple: these 18 x 6 x 45 in side loading corrugated cartons are aimed at sellers, movers, and crafters who need a long, narrow, sturdy box for frames, instruments, or artwork. The single biggest reason to buy is their practical FOL side-loading design combined with certified strength that handles heavy contents while shipping flat to save storage space. For anyone who ships guitars, mirrors, or similarly shaped items, these boxes strike a useful balance of protection and value.

Key Features

• Side loading design: The end-opening configuration makes it much easier to insert long flat items like guitar necks, framed art, and mirrors without forcing the contents.
• Full overlap flaps (FOL): The FOL flap style adds extra panel protection at the ends, improving resistance to impact during transit.
• Certified strength: Manufactured from 275#/ECT-44 kraft corrugated and edge crush tested to 32 lb, the cartons are built to meet single wall storage, mailing, and freight requirements.
• Bulk value pack: Sold as a 5 pack and shipped flat, the bundle reduces storage footprint and gives predictable supply for repeat shippers or small businesses.
• Recyclable and reusable: Made from unprinted kraft cardboard, the boxes are easy to recycle and can be reused for storage or moving.

Who It's For

These boxes are best for small business owners, independent sellers, and DIY movers who regularly ship or store long narrow items such as guitars, frames, rolled posters, and mirrors. The side-loading access and extra long 45 in length are practical for items that do not fit vertically in standard cartons.

Those who need multiwall protection for very heavy or highly fragile instruments may want to look for thicker or double-wall options and additional internal padding. Casual users who only ship occasional items could still use these but should plan for protective packing materials to supplement the single-wall construction.

Pros & Cons

Pros

• Sturdy single-wall corrugated construction with ECT-44 strength for reliable shipping capacity.
• Side loading and FOL flaps simplify packing long items and add end protection during transit.
• Value-oriented 5 pack shipped flat reduces storage needs and cost per box.
• Unprinted kraft material is recyclable and suitable for reuse or storage.

Cons

• Single-wall design is not as protective as double-wall cartons for extremely heavy or highly fragile items.
• Extra length may require double boxing or added internal cushioning for very delicate guitars or mirrors.

Specifications

Brand	Boxes Fast
Model dimensions	18 x 6 x 45 in
Quantity	Pack of 5
Material	Kraft single-wall corrugated (275#/ECT-44)
Test rating	32 lb edge crush test
Flap style	Full overlap (FOL) side loading
Made in	USA

Our Verdict

These 18 x 6 x 45 in side loading boxes are a practical, good-value choice for anyone shipping or storing long flat items. With certified single-wall strength, FOL protection, and a convenient 5 pack format, they suit small businesses and repeat shippers who need predictable, recyclable packaging. For extremely fragile or very heavy contents, add internal bracing or consider a heavier carton.

Frequently Asked Questions

Are these boxes suitable for shipping a guitar?
Yes, the 45 in length and side loading make them suitable for many guitars, though fragile instruments benefit from padding and optionally a double-box approach.

Do the boxes arrive assembled?
No, the cartons ship flat to save space and must be folded and taped closed before use.

Can these be reused and recycled?
Yes, the unprinted kraft corrugated material is both reusable and 100% recyclable.